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Finding the Fourth Proportional to 98,305.92, 147,375.36 and 45,745.92

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Solution

The fourth proportional to 98,305.92, 147,375.36 and 45,745.92 is: 68,580.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,305.92 : 147,375.36 = 45,745.92 : x
  2. Step 2: Convert to fraction form
    98,305.92/147,375.36 = 45,745.92/x
  3. Step 3: Cross multiply
    98,305.92x = 147,375.36 × 45,745.92
  4. Step 4: Simplify right side
    98,305.92x = 6,741,821,428.53
  5. Step 5: Solve for x
    x = 6,741,821,428.53/98,305.92
  6. Step 6: Final answer
    x = 68,580.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.